You can try Archive of Our Own (AO3). It has a vast collection of fanfictions, and you're likely to find many 'Avengers Watch Homecoming' ones there. Just use the search bar and type in the relevant keywords.
A really cool fanfiction is when the Avengers watch Homecoming but in a sort of 'alternate universe' setting. In this story, they are from a different dimension where they have no idea who Spider - Man is. Their reactions to his character, his high school life, and his superhero antics are both hilarious and heartwarming. It's a great read for those who like to see different takes on the characters.
A great fanfiction in this genre is 'Avengers' Movie Night'. In it, the Avengers gather to watch Spider - Man: Homecoming. It's full of humorous exchanges as they react to the movie. For instance, Clint Barton keeps making jokes about Peter's youthfulness.
There could be a fanfiction where the Avengers are watching Spider - Man: Homecoming as a team - building exercise. As they watch, they start to discuss how they can incorporate some of Peter's methods into their own teamwork. Thor might be a bit clueless about some of the high - tech aspects of Peter's suit, but he's still entertained by the action. And Bruce Banner could be making scientific speculations about the web - shooters in between popcorn bites.
There might be a fanfiction where the Avengers turn the viewing of 'Spider - Man: Homecoming' into a training session for Peter. They pause the movie at different points to discuss what he could have done better and how to handle various situations. For example, Black Widow could be teaching him about stealth during a scene where Peter is sneaking around in the movie.
In a fanfiction, Spider - Man could get lost in an alternate dimension during a mission. The Avengers then have to find a way to bring him back. While in the alternate dimension, Spider - Man meets different versions of the Avengers and has to fight his way through various challenges to return home.
You can start by looking on fanfiction - specific websites like Archive of Our Own (AO3). It has a vast collection of fanfictions, and you can simply search for 'Avengers watch Spider - Man: Homecoming' in the search bar. There are usually filters you can use to sort by popularity, rating, etc.
Well, Tony Stark might be amused and a bit proud. He'd probably see the fanfiction as a testament to how much Spider - Man has grown under his mentorship. Steve Rogers might be a bit confused at first, but then he'd appreciate the creativity and the way it shows the bond within the team. Thor would likely find it all very entertaining and might even want to hear more stories about Spider - Man's adventures in this fictional take.
He could be a new recruit. The Avengers are always looking for new talent, and Spider - Man's abilities would be a great addition. He could start off as a bit of an outsider, trying to fit in with the more experienced heroes.
There are many interesting aspects in Spider - Man Homecoming fanfiction related to'school watch'. For example, in some fanfictions, the school watch could be a group of students who keep an eye on any strange activities around the school, which might be related to Spider - Man's secret identity or some villains' plans. It could add an extra layer of mystery and drama to the story.